apps-cleanup: the doc fixes

[openssl.git] / doc / crypto / ui.pod

diff --git a/doc/crypto/ui.pod b/doc/crypto/ui.pod
index 04f8e9c360a85081c9901aebae3c7d06194f8938..9dbc2da87a79261e25821d71d6dd91796cb414d5 100644 (file)
--- a/doc/crypto/ui.pod
+++ b/doc/crypto/ui.pod
@@ -106,6 +106,7 @@ most problems when porting.
 
 UI_free() removes a UI from memory, along with all other pieces of memory
 that's connected to it, like duplicated input strings, results and others.
+If B<ui> is NULL nothing is done.
 
 UI_add_input_string() and UI_add_verify_string() add a prompt to the UI,
 as well as flags and a result buffer and the desired minimum and maximum